Unit5AmazingnatureDevelopingideas课件外研版英语七年级下册

Unit5Developingideas1.gettoknowsomenaturalwonders.2.gettoknowtheproblemsthatsomenaturalwondersface.3.writeashortpassageofanothernaturalwondercryingforhelp.Inthislesson,wewillbeableto:Learningobjectives

1Listentotheadandchoosethemainidea.aThere’sanewexhibitioninamuseum.bAnewnaturalhistorymuseumhasopened.cChildrenshouldgotothenaturalhistorymuseum.dTheexhibitionwilllastfromApriltoJune.[ˌeksɪˈbɪʃn]Watchvideosof/s//z//θ//ð/andseehowtopronouncethemcorrectly.

PhoneticsinuseFree-talkDoyouliketraveling?Therearedifferentkindsofnaturalwonders.Doyouknowthem?发音口诀：春蚕吐丝，/s//s//s/。

science/s//z//θ//ð/Phoneticsinuse发音口诀：电钻打洞，/z//z//z/。

museum发音口诀：轻咬舌尖，/θ//θ//θ/。

mouth发音口诀：舌尖发麻，/ð//ð//ð/。

thePre-readingMatchthewords

withthepicturesofthenatural

wonders.dacbriverlakerainforestseaListenandrepeat

skysoftplacegrass/s//z//θ//ð/asalwaysamazingvisitmonth

thinktheatrethankthanwith

theythenListenandreadafterme.ReadforthetitleNaturalwonderscryingaloudforhelpWhatdoesthetitlemean?theDeadSea死海therainforestofMadagascar马达加斯加的雨林theGlacierNationalPark（美国）冰川国家公园Whatarethey?

Whatcanweknowfromthepictures?Whatdoweneedtofillintheblanks(填空)with?2Listenagainandcompletetheposter.NEWEXHIBITIONAmazing¹____________learnaboutamazing²___________andplantsfromallovertheworld.Museumopeninghours:From³_____to5pm,closedon⁴______

Freeguidedtours:from⁵______to11amTicketprice:⁶______pounds[tʊə(r)]Completethetablewiththewordsandexpressionsfromthepassage.P78TwohundredlakerainforesticeandsnowtaketomakeSopeoplecan___________.lieonitssurfacesuchas_____________________.monkeys,snakesandmanykindsofflowersPhoneticsinuse/s/&/z/sit/sɪt/sky/skaɪ/

music/ˈmjuːzɪk/husband/ˈhʌzbənd/bus/bʌs/class/klɑːs/

dogs/dɔːɡz/cars/kɑːz/

清辅音/s/浊辅音/z/Phoneticsinuse/θ/&/ð/think/θɪŋk/three/θriː/thank/θæŋk/the/ðə/this/ðɪs/that/ðæt/

bath/bæθ/math/mæθ/month/mʌnθ/father/ˈfɑːðər/mother/ˈmʌðər/

清辅音/θ/浊辅音/ð/Task4Choosetherightanswers.1.Accordingtothepassage,whichofthefollowingstatementsabouttheDeadSeaisTRUE?A.Itisaseawithalotofsalt.B.PeoplecanswimeasilyintheDeadSea.C.Itswaterlevelisrising.D.Itmaydryupin100yearsifpeopledon’ttakelesswater.2.Whatdoesthesubtitle“Rainforest-forest≠rain”mean?A.Therainforestdoesn’tneedrainatall.B.Therainforestplaysarole(发挥作用)inmakingrain.C.Thereisnorainintherainforest.D.Therainintherainforestisdifferentfromthatinotherplaces.3.WhatwillhappenifclimatechangeisnotstoppedfortheglaciersintheGlacierNationalParkinAmerica?A.Thenumberofglacierswillincrease(增加)slowly.B.Theglacierswillturnintoabeautifulwaterworldwithmorefish.C.Theglacierswillmeltanddisappearoneday.D.Thetemperaturearoundtheglacierswillbecomelower.Answerthequestions.P781Whoisspeakingineachparagraph?2Arethenaturalwondersreallycryingaloud?3Whatfeelingdoesthiswayofwritinggiveyou?Itmakesmefeelasifthenaturalwondersaretalkingtome.Ifeelsadforthemandwanttohelpthem.TheDeadSea,therainforestofMadagascarandaglacierattheGlacierNationalParkinAmerica.No,theyaren’t.Thepassageusespersonificationtoshowtheserioussituation(严重的情况).1WhatistheworldlikeinFrozenandWaterworld?Whydoesthewritermentionthetwofilms?InFrozen,theworldiscoldandfulloficeandsnow.InWaterworld,theworldiscoveredinwater,withnoland.Thewritermentionsthetwoflmstoshowtheseriousproblemofclimatechange.P78读写板块设计写作支架

name

description(描述）

problem(s),cause

solution写作手法PhoneticsinuseListenandrepeat./s/skysoftplacegrass/z/asalwaysamazingvisit/θ/month

thinktheatrethank/ð/thanwith

theythenPredictbeforelistening.Herecomesafreeguidedtour.Whatamazinglifeinnaturearetheytalkingabout?2Whyisitimportanttostopthesenaturalwondersfromdisappearing?It’simportantbecausenaturalwondersarebeautiful.Theygiveushopeandseeingthemmakesushappy.Also,theyarehometomanyplantsandanimals.Thelifecannotlivewithoutlakes,rainforestsandglaciers.P78Learningtothinkforquestion2

Trytofindtheimportancefromdifferentsides.Whyisitimportantforus?Whyisitimportantfornatureitself?infast事实上，实际上NaturalwonderscryingaloudforhelpTheDeadSeacoulddie!I’mnotaseabutalake.AndI’mnotdead.Infact,I’vegotmanyplantsandanimals.I’msaltierthananysea,sopeoplecanlieonmysurface.Riversflowintome.Butnowpeopletaketoomuchwaterfromthem.Mywaterlevelisgoingdown.Iambecomingsmalleryearbyyear.Takelesswater,orI’lldryupwithinthenext100years.ThenIreallywillbedead!Rainforest-forest≠rainI’mtherainforestofMadagascar.Asmynamesuggests,Imakerainformyplantsandanimals,suchasmonkeys,snakesandmanykindsofflowers.For80%ofthem,I’mtheironlyhomeintheworld.However,peoplearecuttingdownmytreesforwoodandtomakespaceforfarming.Pleasestopit.I’mdisappearing.IfFrozenturnsintoWaterworld...I’maglacierattheGlacierNationalParkinAmerica.It’salandfulloficeandsnow.DoyouwanttoexplorethewhiteworldinthefilmFrozen?Thenmyhomeisthebestchoice.Twohundredyearsago,therewereabout150glaciers.Butnow,therearearound25.Pleasestopclimatechange.I’mturningintoWaterworld.Payattentiontothefollowingexpressions.cryaloudforhelp大声呼救diev.死；去世→adj.

dead死的，无生命的dying垂死的，濒死的→n.

death死亡liev.①

躺，平卧

liedown躺下过去式为lay，过去分词为lain，现在分词为lying。②

撒谎

过去式为lied，过去分词为lied，现在分词为lying。n.

谎言tellalie(telllies)说谎流入逐年；年复一年orconj.否则；要不然后面跟的句子往往表示一种不好的结果。还可意为“或者；还是”，